Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design;

FIG. 2 is a front elevational view of the tread in FIG. 1;

FIG. 3 is a side elevational view of the tread in FIG. 1; and,

FIG. 4 is an enlarged fragmentary perspective view of the tread in FIG. 1.

In the drawings, the broken lines defining the sidewall and inner bead and the peripheral boundary between the tire tread and the sidewall are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 